Clinical trials: Carotenoid Status
Healthy Nutrition, Pregnancy Related
Maternal Carotenoids Across Pregnancy Study
Before infants are born, they depend on their mother to provide the nutrients necessary to grow and develop, such as iron, folic acid, iodine and other vitamins and minerals.
- Trial name
- MCAPS (NCT06004479)
- Testing
- Carotenoid Intake, Serum carotenoid concentration
- Where
- United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Baylor College of Medicine
Vitamin A Status
Effect of Small Daily Doses of B-carotene on Breast Milk Retinol
The purpose of this pilot study is to determine whether breast milk retinol concentration increases in response to daily supplementation with small amounts of vitamin A (~600 ug RAE/d), as either a b-carotene or retinyl…
- Trial name
- NCT01803659
- Testing
- b-carotene, retinyl palmitate
- Where
- United States
- Volunteers
- 85 people, healthy volunteers welcome
- Sponsor
- University of California, Davis
Lifestyle Risk Reduction
Analysis of Correlation Between Skin Carotenoid Level and Basic Indicators of Health Status Related to Lifestyle in Vietnamese: An Observational Study
To clarify the relationship between vegetable intake and lifestyle-related disease in Vietnam, we measure skin carotenoid levels and basic indicators of health status related to lifestyle and analyze the correlation between them.
- Trial name
- NCT06271070
- Testing
- Non-intervention
- Where
- Vietnam
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- KAGOME CO., LTD.
Vitamin A Deficiency
Vitamin A Bioavailability in Lactating Women With Marginal Vitamin A Status
The study will assess the relative bioavailability and bioefficacy of cryptoxanthin (CX) and beta-carotene (BC) from food sources for increasing breast milk carotenoid and retinol concentrations in lactating Bangladeshi women.
- Trial name
- NCT01420406
- Testing
- 0 mg retinol activity equivalents, 12 mg of BC, 6 mg of CX
- Where
- Bangladesh
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- USDA, Western Human Nutrition Research Center
Carotenoids
Yellow Potatoes and Carotenoids
This study will assess the effects of daily intake of yellow and white potatoes on plasma lutein and zeaxanthin concentrations. Skin carotenoid levels will be assessed using the Veggie Meter.
- Trial name
- NCT07606001
- Testing
- Yellow-flesh potatoes, White-flesh potatoes
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Florida
Overweight
The Juice Study: Sensitivity of Skin Carotenoid Status to Detect Change in Intake
This study is designed to see if drinking a tomato-based vegetable juice will increase skin carotenoids.
- Trial name
- NCT03202043
- Testing
- High dose vegetable juice, Medium dose vegetable juice, Low dose vegetable juice
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- USDA Grand Forks Human Nutrition Research Center
Vitamin A Deficiency, Low Serum Retinol
Efficacy of β-carotene Biofortified Maize in Reducing Vitamin A Deficiency Among Children
The purpose of this cluster-randomized trial is to examine whether daily consumption of β-carotene biofortified maize flour can reduce the prevalence of vitamin A deficiency and improve the vitamin A status and among 4-8 year old…
- Trial name
- NCT01695148
- Testing
- β-Carotene Biofortified Maize Flour, White Maize Flour
- Where
- Zambia
- Volunteers
- 1,228 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins Bloomberg School of Public Health
Diabetes Mellitus, Oxidative Stress
Low Dose β-carotene Supplementation Diminishes Oxidative Stress in Type 2 Diabetics and Healthy Individuals
Since diabetes has multiple etiologies and oxidative stress one of the proposed mechanisms, the objective is to determine the effect of supplementation with β-carotene to type 2 diabetics and healthy individuals, on iron…
- Conditions
- Diabetes Mellitus, Oxidative Stress, Iron Metabolism Disorders
- Trial name
- NCT01477112
- Testing
- Betacarotene, Controls. No treatment
- Where
- Venezuela
- Volunteers
- 117 people, healthy volunteers welcome
- Sponsor
- Instituto Venezolano de Investigaciones Cientificas
Aging, Well Aging
Age Related Effects Consuming Phaeodactylum Tricornutum
Investigation of the microalgae Phaeodactylum as food with regard to the uptake of omega-3 fatty acids and effects on various blood parameters in relation to age.
- Trial name
- MIA_E (NCT05120791)
- Testing
- microalgae phaeodactylum, From the Microalgae phaeodactylum the extracted beta-Glucan (especially chrysolaminarin), A combination of the vegetable bouillon, the microalgae and the beta-Glucan
- Where
- Germany
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Hohenheim
Vitamin A Status
Bioavailability of Yellow Maize Carotenoids in Humans
The study hypothesis is that high ß-C yellow maize can provide vitamin A efficiently. list item one ß-C in yellow maize The study will use stable isotope labeled high ß-C yellow maize and vitamin A in a well-nourished population…
- Trial name
- NCT00636038
- Testing
- corn beta-carotene
- Where
- Zimbabwe
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Tufts University
Healthy Infants
Influence of Inflammation on Micronutrient Status Assessment
Inflammation can influence several biochemical measurements those commonly used to interpret micronutrient status in children. Our primary objective is to investigate the effects of inflammation on several biochemical…
- Trial name
- NCT03801161
- Testing
- Pentavalent vaccine. It is a combination of five different antigens (Hepatitis B (HBV)/ Haemophilus influenzae type b (HiB) / Tetanus-Diphtheria-whole cell Pertussis (TDwP)).
- Where
- 2 sites in Bangladesh
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- International Centre for Diarrhoeal Disease Research, Bangladesh
Vitamin A Deficiency
Impact of Consumption of Orange-fleshed Sweet Potatoes on the Vitamin A Status of Bangladeshi Women of Reproductive Age
The primary purpose of this study is to determine whether daily consumption of orange-fleshed sweet potatoes increases the vitamin A status of Bangladeshi women of reproductive age.
- Trial name
- NCT00453648
- Testing
- White-fleshed sweet potatoes, Orange-fleshed sweet potatoes (boiled), Orange-fleshed sweet potatoes (fried)
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- University of California, Davis
Dietary Assessment, Diet, Food, and Nutrition
Bite Sized Biomarkers
The primary objective of this study is to rigorously evaluate the effectiveness of a Food is Medicine (FIM) intervention using objective biomarkers and to determine the role of nutritional monitoring on the impact and…
- Conditions
- Dietary Assessment, Diet, Food, and Nutrition, Carotenoid Status
- Trial name
- NCT07845383
- Testing
- Bite-sized Biomarkers: Skin carotenoid scores
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Stanford University
Body Weight, Obesity & Overweight
Breastmilk and the Link to Overweight/Obesity and Maternal Diet in the Mother-breastmilk-child Triad
The prospective 5-month follow-up study will involve 150 mother-infant dyads grouped based on maternal baseline BMI category (normal weight, overweight, obesity).
- Conditions
- Body Weight, Obesity & Overweight, Human Milk/Breastfeeding, Body Composition
- Trial name
- BLOOM-Triad (NCT07457515)
- Where
- 4 sites in Canada, Poland
- Volunteers
- 165 people, healthy volunteers welcome
- Sponsor
- Warsaw University of Life Sciences
Vitamin A Deficiency
Efficacy of Yellow Cassava to Improve Vitamin A Status of Kenyan School Children
The overall aim of the project is to provide proof-of-principle that biofortification of cassava with vitamin A is a viable strategy to improve vitamin A status of deficient populations.
- Trial name
- CASSAVITA (NCT01614483)
- Testing
- Yellow cassava, White cassava
- Where
- Kenya
- Volunteers
- 341 people, healthy volunteers welcome
- Sponsor
- Wageningen University
Overweight , Obesity, Antioxidant Status
Impact of Antioxidant-rich Supplementation on Skin Carotenoids Status, Antioxidant Status and Cardiometabolic Health in Overweight and Obese Individuals
This study aims to evaluate the effects of antioxidant-rich supplementation on skin carotenoid status, antioxidant status, and cardiometabolic health in overweight and obese individuals.
- Trial name
- NCT07748468
- Testing
- Antioxidant-rich supplementation Element, Antioxidant-rich supplementation Optimal
- Where
- Singapore
- Volunteers
- 83 people, healthy volunteers welcome
- Sponsor
- National University of Singapore
Nutrition Status
A Study to Assess the Impact of a Nutritional Supplement on Wellbeing and Nutrient Absorption
The objective of this placebo controlled randomized research is to demonstrate the health benefits of a carotenoid nutritional supplement as compared to placebo in terms of nutrient levels, quality of life, feelings, of wellness…
- Trial name
- NCT06749808
- Testing
- Carotenoid Nutritional Supplement
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Pharmanex
Vitamin A Deficiency
Vitamin A Equivalence of Plant Carotenoids in Children
Our objectives will be to test the following hypotheses and to make the following determinations: (1) The absorption and bio-conversion of provitamin A carotenes taken by children are different between spinach, Golden Rice, and…
- Trial name
- NCT00680212
- Testing
- dietary carotenoids, spinach, rice, and synthetic beta-carotene
- Where
- United States
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Tufts University
Food Insecurity, Carotenoid Status
Produce Prescriptions and Veggie Meter Scores for College Food Security
The goal of this pilot intervention study is to learn if providing weekly produce boxes helps college students who struggle to afford healthy food. It will also test if this program is practical to run on a college campus.
- Conditions
- Food Insecurity, Carotenoid Status, Produce Prescription
- Trial name
- NCT07511699
- Testing
- Produce boxes
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Rutgers, The State University of New Jersey
Achievement, Weight Change
INTEGRATED CHILDHOOD ACTIVITY AND NUTRITION (ICAN) STUDY
This study is a multi-functional integrated research and education project to prevent losses in academic achievement, cognitive function, and behavioral health among at-risk youth.
- Conditions
- Achievement, Weight Change, Cognition, Fitness
- Trial name
- ICAN (NCT07011602)
- Testing
- 8-week Physical Activity and Nutrition Program
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Illinois at Urbana-Champaign